| Your Results | Global Average | |
|---|---|---|
| Questions | 5 | 5 |
| Correct | 0 | 2.91 |
| Score | 0% | 58% |
The __________ nervous system regulates involuntary activity in the heart, stomach, and intestines.
somatic |
|
peripheral |
|
autonomic |
|
central |
Part of the peripheral nervous system, the autonomic nervous system regulates involuntary activity in the heart, stomach, and intestines.
In the metric system, what prefix represents 103?
milli |
|
centi |
|
mega |
|
kilo |
Kilo is the metric system prefix for 103.
In the water cycle, infiltration is most closely related to:
water table |
|
rivers |
|
oceans |
|
runoff |
The water then accumulates as runoff and eventually returns to bodies of water or is absorbed into the Earth (infiltration) and becomes part of the water table, an underground resevoir of fresh water.
The rows of the Periodic Table of the Elements are called:
shells |
|
groups |
|
families |
|
periods |
The rows of the Periodic Table are called periods and contain elements that have the same number of electron shells ordered from lower to higher atomic number.
A transition zone between two air masses is called:
front |
|
thunderstorm |
|
fog |
|
boundary |
An air mass is a large body of air that has similar moisture (density) and temperature characteristics. A front is a transition zone between two air masses.